Italian vs South American Vision Disability
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Italian
 South American
 Vision Disability
Vision Disability Comparison
Italians
South Americans
2.1%
VISION DISABILITY
79.7/ 100
METRIC RATING
146th/ 347
METRIC RANK
2.1%
VISION DISABILITY
82.8/ 100
METRIC RATING
142nd/ 347
METRIC RANK
Italian vs South American Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 572,776,959 people shows a mild positive correlation between the proportion of Italians and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.322 and weighted average of 2.1%. Similarly, the statistical analysis conducted on geographies consisting of 493,362,805 people shows a weak negative correlation between the proportion of South Americans and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.250 and weighted average of 2.1%, a difference of 0.33%.
 
Vision Disability Correlation Summary
| Measurement | Italian | South American | 
| Minimum | 0.86% | 0.16% | 
| Maximum | 8.5% | 4.0% | 
| Range | 7.6% | 3.9% | 
| Mean | 2.3% | 2.0% | 
| Median | 2.0% | 2.0% | 
| Interquartile 25% (IQ1) | 1.7% | 1.8% | 
| Interquartile 75% (IQ3) | 2.2% | 2.2% | 
| Interquartile Range (IQR) | 0.51% | 0.40% | 
| Standard Deviation (Sample) | 1.2% | 0.66% | 
| Standard Deviation (Population) | 1.2% | 0.66% | 
Demographics Similar to Italians and South Americans by Vision Disability
In terms of vision disability, the demographic groups most similar to Italians are Immigrants from Sudan (2.1%, a difference of 0.13%), Finnish (2.1%, a difference of 0.14%), Immigrants from Bosnia and Herzegovina (2.1%, a difference of 0.18%), Ukrainian (2.1%, a difference of 0.23%), and Immigrants from Sierra Leone (2.1%, a difference of 0.33%). Similarly, the demographic groups most similar to South Americans are Immigrants from Sierra Leone (2.1%, a difference of 0.0%), Ukrainian (2.1%, a difference of 0.11%), Sierra Leonean (2.1%, a difference of 0.15%), Immigrants from Bosnia and Herzegovina (2.1%, a difference of 0.15%), and Immigrants from Netherlands (2.1%, a difference of 0.16%).
| Demographics | Rating | Rank | Vision Disability | 
| Venezuelans | 87.2 /100 | #134  | Excellent 2.1%  | 
| Vietnamese | 86.7 /100 | #135  | Excellent 2.1%  | 
| Czechs | 86.3 /100 | #136  | Excellent 2.1%  | 
| Immigrants | South Eastern Asia | 86.3 /100 | #137  | Excellent 2.1%  | 
| Arabs | 86.3 /100 | #138  | Excellent 2.1%  | 
| Immigrants | Morocco | 85.2 /100 | #139  | Excellent 2.1%  | 
| Immigrants | Netherlands | 84.2 /100 | #140  | Excellent 2.1%  | 
| Sierra Leoneans | 84.1 /100 | #141  | Excellent 2.1%  | 
| South Americans | 82.8 /100 | #142  | Excellent 2.1%  | 
| Immigrants | Sierra Leone | 82.8 /100 | #143  | Excellent 2.1%  | 
| Ukrainians | 81.9 /100 | #144  | Excellent 2.1%  | 
| Immigrants | Bosnia and Herzegovina | 81.5 /100 | #145  | Excellent 2.1%  | 
| Italians | 79.7 /100 | #146  | Good 2.1%  | 
| Immigrants | Sudan | 78.4 /100 | #147  | Good 2.1%  | 
| Finns | 78.3 /100 | #148  | Good 2.1%  | 
| Colombians | 76.2 /100 | #149  | Good 2.1%  | 
| Belgians | 75.9 /100 | #150  | Good 2.1%  | 
| Immigrants | Norway | 75.5 /100 | #151  | Good 2.1%  | 
| Immigrants | Southern Europe | 74.6 /100 | #152  | Good 2.1%  | 
| Immigrants | South America | 73.8 /100 | #153  | Good 2.1%  | 
| Slovenes | 73.6 /100 | #154  | Good 2.1%  |